package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.dao.PermissionDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.pojo.Permission;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
@Service
@Slf4j
public class PermissionServiceImpl implements PermissionService {
    @Autowired
    PermissionDao permissionDao;
    @Override
    public void add(Permission permission) {
      log.debug(permission.toString());
        permissionDao.add(permission);

    }

    @Override
    public PageResult findByPage(QueryPageBean queryPageBean) {
      //开始分页
        PageHelper.startPage(queryPageBean.getCurrentPage(),queryPageBean.getPageSize());
     //2.条件查询
     Page<Permission> page = permissionDao.findByCondition(queryPageBean.getQueryString());
    log.debug("page======"+page);
    //封装PageResult
        return new PageResult(page.getTotal(),page);
    }
    /*
    * 权限组删除
    * */
    @Override
    public void delById(Integer id) {
        //先判断 关联表
       long count = permissionDao.findCountById(id);

       if (count>0){
           throw new RuntimeException("不能删除 被关联");
       }else {
           permissionDao.delById(id);
       }
    }

    @Override
    public Permission findById(Integer id) {
        return permissionDao.findById(id);
    }

    @Override
    public void edit(Permission permission) {
        permissionDao.edit(permission);
    }
}
